Pierre Grandvallet
14Patents
7h-index
23Co-inventors
62Inventor score
Filing activity: May 15, 1986 → Oct 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5804058A | Catalytic dewaxing processes using alumina free coated catalyst | Performing Operations; Transporting | 24 | Expired |
| US5868921A | Single stage, stacked bed hydrotreating process utilizing a noble metal catalyst in the upstream bed | Chemistry; Metallurgy | 16 | Expired |
| US5378351A | Process for the preparation of lubricating base oils | Chemistry; Metallurgy | 13 | Expired |
| US4791141A | Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum | Performing Operations; Transporting | 10 | Expired |
| US7261808B2 | Upgrading of pre-processed used oils | Chemistry; Metallurgy | 10 | Expired |
| US5266270A | On-line test and analysis process and equipment making it possible to establish a material balance of a chemical reaction | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5023389A | Process for preparing normally liquid oxygenate and hydrocarbonaceous products from a hydrocarbon feed containing linear- and branched olefins | Chemistry; Metallurgy | 8 | Expired |
| US5554307A | Process for improving lubricating base oil quality | Chemistry; Metallurgy | 7 | Expired |
| US4675343A | Process of use of a catalyst for synthesizing saturated primary aliphatic alcohols | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4988626A | On-line test and analysis process to establish a material balance of a chemical reaction | Physics | 5 | Expired |
| US4835335A | Process for two-stage catalytic conversion of an olefins-containing feed | Chemistry; Metallurgy | 1 | Expired |
| US5951847A | Catalytic dehazing of lubricating base oils | Chemistry; Metallurgy | 1 | Expired |
| US5470454A | Process for the preparation of lubricating base oils | Chemistry; Metallurgy | 0 | Expired |
| US5427703A | Process for the preparation of polar lubricating base oils | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.